The abstract of a paper on NBER: This paper examines a large-scale randomized evaluation of the One Laptop Per Child (OLPC) program in 531 Peruvian rural primary schools. We use administrative data on academic performance and grade progression over 10 years to estimate the long-run effects of increased computer access on (i) school performance… Read More »
The brain goes through five distinct phases in life, with key turning points at ages nine, 32, 66 and 83, scientists have revealed. From a report: Around 4,000 people up to the age of 90 had scans to reveal the connections between their brain cells. Researchers at the University of Cambridge showed that the brain stays in the adolescent phase… Read More »
An anonymous reader shares a report: Solid-state drives sitting unpowered in drawers or storage can lose data over time because voltage gradually leaks from their NAND flash cells, and consumer-grade drives using QLC NAND retain data for about a year while TLC NAND lasts up to three years without power. More expensive MLC and SLC NAND can hold… Read More »
An anonymous reader shares a report: Singapore's police have ordered Apple and Google to prevent the spoofing of government agencies on their messaging platforms, the home affairs ministry said on Tuesday. The order under the nation's Online Criminal Harms Act came after the police observed scams on Apple's iMessage and Google Messages purporting… Read More »
In the latest Windows Insider beta update, Microsoft has announced that it is exploring preloading File Explorer in the background to improve launch performance. The feature will load File Explorer silently before users click on it and can be toggled off for those who prefer not to use it. Microsoft introduced a similar capability earlier this… Read More »
An anonymous reader quotes a report from Bloomberg: Lenovo is stockpiling memory and other critical components to navigate a supply crunch brought on by the boom in artificial intelligence. The world's biggest PC maker is holding on to component inventories that are roughly 50% higher than usual, Chief Financial Officer Winston Cheng told… Read More »
The EPA has approved new pesticides that qualify as PFAS "forever chemicals" (paywalled; alternative source), sparking criticism from scientists and environmental groups who warn these decisions could increase Americans' exposure through food and water at a time when many states are moving to restrict such substances. The Washington Post reports:… Read More »